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55135758 = 23192831709
BaseRepresentation
bin1101001001010…
…0111000001110
310211202012001010
43102110320032
5103103321013
65245430050
71236434436
oct322247016
9124665033
1055135758
1129139347
121656b326
13b565c12
1474732c6
154c917c3
hex3494e0e

55135758 has 32 divisors (see below), whose sum is σ = 116553600. Its totient is φ = 17339616.

The previous prime is 55135733. The next prime is 55135781. The reversal of 55135758 is 85753155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31408 + ... + 33116.

It is an arithmetic number, because the mean of its divisors is an integer number (3642300).

Almost surely, 255135758 is an apocalyptic number.

55135758 is an abundant number, since it is smaller than the sum of its proper divisors (61417842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55135758 is a wasteful number, since it uses less digits than its factorization.

55135758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016.

The product of its digits is 105000, while the sum is 39.

The square root of 55135758 is about 7425.3456485203. The cubic root of 55135758 is about 380.6078866931.

The spelling of 55135758 in words is "fifty-five million, one hundred thirty-five thousand, seven hundred fifty-eight".

Divisors: 1 2 3 6 19 38 57 114 283 566 849 1698 1709 3418 5127 5377 10254 10754 16131 32262 32471 64942 97413 194826 483647 967294 1450941 2901882 9189293 18378586 27567879 55135758